FHWA NBI 2024 Inspection record Public-domain dataset

TILTON BRIDGE ROAD

Carrying TILTON BRIDGE ROAD over SALMON BROOK

0.21 MI. RTE. 127, Belknap, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
51 t Inventory load rating

Bridge Snapshot: TILTON BRIDGE ROAD

The TILTON BRIDGE ROAD bridge in Belknap, New Hampshire carries TILTON BRIDGE ROAD over SALMON BROOK. It was built in 1900, making it 126 years old today. It was last reconstructed in 2012, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 90 vehicles, placing it in the lower-traffic tier of New Hampshire bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 50.6 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How TILTON BRIDGE ROAD compares

▲ 12.4
Load rating vs New Hampshire average (38.2 t)
Top 18%
Higher load rating than 82% of New Hampshire bridges
112
Bridges in Belknap · 5 in Poor condition
TILTON BRIDGE ROAD 50.6 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
75.1 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
12.0
Essentiality /15
14.1
Special reductions
−6.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
50.6 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1900
Last Reconstructed
2012
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
4.9 m (16 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
023101310009800

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether TILTON BRIDGE ROAD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare TILTON BRIDGE ROAD against other structures in Belknap and across New Hampshire. New Hampshire bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for TILTON BRIDGE ROAD?

TILTON BRIDGE ROAD in Belknap, New Hampshire has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is TILTON BRIDGE ROAD inspected?

TILTON BRIDGE ROAD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 90 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. TILTON BRIDGE ROAD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for TILTON BRIDGE ROAD?

TILTON BRIDGE ROAD has an NBI inventory load rating of 50.6 metric tons.

Who is responsible for maintaining TILTON BRIDGE ROAD?

TILTON BRIDGE ROAD is owned and maintained by City/Municipal Highway Agency.

How old is TILTON BRIDGE ROAD and does age affect safety?

TILTON BRIDGE ROAD was built in 1900, making it 126 years old and last reconstructed in 2012.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.